Romney has campaigned on fiscal conservatism before, but the message seems significant now for a couple of reasons. First, it develops a theme that he'll have to rely on more heavily if the national job market continues to improve. Second, it lines up Romney's argument in Wisconsin with the Republican message in Gov. Scott Walker's recall campaign. Wisconsin is distinct from every other primary state so far in that the presidential race is not the most urgent and high-profile race in progress; the recall is. It makes sense for Romney to deliver a message that harmonizes with what the state GOP and the governor are saying, instead of trying to break through with a different set of themes.